Robtex

Up: 103.16.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.16.60.0/23
Down right: 103.16.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.16.60.14	A	mail.cambodiacode.com
103.16.60.19	PTR	mail.cpp.org.kh
103.16.60.19	A	ezsntrip.com
103.16.60.21	A+PTR	era.gov.kh
103.16.60.21	A	www.era.gov.kh
103.16.60.22	A	www.nwhc.cambodia.gov.kh
103.16.60.22	A	ppcitybus.com
103.16.60.23	PTR	mail2.mptc.gov.kh
103.16.60.24	A	older.card.gov.kh
103.16.60.27	A	e-library.nida.gov.kh
103.16.60.27	A	elearning.niptict.edu.kh
103.16.60.28	A	e-learning.nida.gov.kh
103.16.60.30	A	camcert.gov.kh
103.16.61.37	A	mfaic.gov.kh
103.16.62.10	A+PTR	file.mcs.gov.kh
103.16.62.11	A+PTR	app.mptc.gov.kh
103.16.62.23	A	report.camcert.gov.kh
103.16.62.26	A	develop.mptc.gov.kh
103.16.62.35	A	www.ncdm.gov.kh
103.16.62.37	A+PTR	mail.cambodia.gov.kh
103.16.62.37	A	212.99.75.in-addr.arpa
103.16.62.38	A+PTR	ns1.cambodia.gov.kh
103.16.62.39	A+PTR	ns2.cambodia.gov.kh
103.16.62.40	A	ns2.cambodia.gov.kh
103.16.62.40	A	euro.labiyuya.com
103.16.62.40	A	collaredpuppies.com
103.16.62.41	PTR	new.mptc.gov.kh
103.16.62.41	A	ncdm.gov.kh
103.16.62.46	PTR	police.gov.kh
103.16.62.46	PTR	library.pac.edu.kh
103.16.62.46	A	mfaic.gov.kh
103.16.62.58	A+PTR	irag.gov.kh
103.16.62.58	A	www.irag.gov.kh
103.16.62.67	A	ocm.gov.kh
103.16.62.106	PTR	esg.mfaic.gov.kh
103.16.62.106	A	share.mfaic.gov.kh
103.16.62.107	A	mail.mfaic.gov.kh
103.16.62.162	PTR	mail1.mptc.gov.kh
103.16.62.162	A	mx1.mptc.gov.kh
103.16.62.162	A	webmail.ncdm.gov.kh
103.16.62.218	A	interior.gov.kh
103.16.63.36	A	mail.mosvy.gov.kh
103.16.63.36	A	mail.pressocm.gov.kh
103.16.63.36	A	mail.ncdm.gov.kh
103.16.63.85	A+PTR	cpanel.interior.gov.kh
103.16.63.162	A	interior.gov.kh
103.16.63.162	A	www.interior.gov.kh
103.16.63.163	A+PTR	mail.interior.gov.kh
103.16.63.164	A+PTR	ftpdev.interior.gov.kh
103.16.63.213	PTR	mail1.net.gov.kh
103.16.63.227	A+PTR	es.mptc.gov.kh
103.16.63.237	A	cppkampongchhnang.com